General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250201-vrabtstpfk

  • MD5

    215a9fa05bcc5e8058ba6059df5a31bd

  • SHA1

    9687de7a8d9a54a5d3bcf3df961b4b54295652fc

  • SHA256

    8dfad053c59f61f99b65b3e48e81d29b392c1e7bd24dbd4a4799b8fa25111a46

  • SHA512

    19b7446dc6125e2f1b7e036b40bc0ac5a144340a8f9226a03782f5a15706a309c378092e023ddf4574fad9a20cd30e6d3eb44395b1a1f4fb05392b82cb88b616

  • SSDEEP

    49152:rvmI22SsaNYfdPBldt698dBcjHJqX0NmZ5LoGyi8XTHHB72eh2NT:rvr22SsaNYfdPBldt6+dBcjH4X0e

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

dragonbornwashere-43022.portmap.host:43022

Mutex

d3a4bd6a-eb48-45c2-af96-7600c691081f

Attributes
  • encryption_key

    874DAD54C1F8000E0795D3F80C381F8EF9ABF5D4

  • install_name

    Warp.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsHealth

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      215a9fa05bcc5e8058ba6059df5a31bd

    • SHA1

      9687de7a8d9a54a5d3bcf3df961b4b54295652fc

    • SHA256

      8dfad053c59f61f99b65b3e48e81d29b392c1e7bd24dbd4a4799b8fa25111a46

    • SHA512

      19b7446dc6125e2f1b7e036b40bc0ac5a144340a8f9226a03782f5a15706a309c378092e023ddf4574fad9a20cd30e6d3eb44395b1a1f4fb05392b82cb88b616

    • SSDEEP

      49152:rvmI22SsaNYfdPBldt698dBcjHJqX0NmZ5LoGyi8XTHHB72eh2NT:rvr22SsaNYfdPBldt6+dBcjH4X0e

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks